There are many types of sporting drugs. Peptide hormones,analogues
and anabolic agents all increase the size of muscles or help growth.

Anabolic
steroids make it easier to train and compete. Athletes aren't as tired after
they train, and recover much more quickly. They also make it easier for people
who use it to build bigger muscles, which helps them get stronger and faster.

Stimulants
speed up parts of the
body and the brain to improve reactions and stop you getting tired. Narcotic
analgesics also stop the effects of tiredness by reducing pain. Beta
blockers calm you down and slow your heart down.

Diuretics
allow you to lose
weight by increasing the amount of urine you pass.